Mark VTables and RTTI data linkonce_odr instead of weak_odr, with the exception of explicit template instantiations, which have to be weak_odr.

This fixes PR6996.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124089 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/exceptions-no-rtti.cpp b/test/CodeGenCXX/exceptions-no-rtti.cpp
index 3921665..bbbc1b8 100644
--- a/test/CodeGenCXX/exceptions-no-rtti.cpp
+++ b/test/CodeGenCXX/exceptions-no-rtti.cpp
@@ -1,10 +1,10 @@
 // RUN: %clang_cc1 -fno-rtti -fexceptions %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
 
-// CHECK: @_ZTIN5test11AE = weak_odr unnamed_addr constant
-// CHECK: @_ZTIN5test11BE = weak_odr unnamed_addr constant
-// CHECK: @_ZTIN5test11CE = weak_odr unnamed_addr constant
-// CHECK: @_ZTIN5test11DE = weak_odr unnamed_addr constant
-// CHECK: @_ZTIPN5test11DE = weak_odr unnamed_addr constant {{.*}} @_ZTIN5test11DE
+// CHECK: @_ZTIN5test11AE = linkonce_odr unnamed_addr constant
+// CHECK: @_ZTIN5test11BE = linkonce_odr unnamed_addr constant
+// CHECK: @_ZTIN5test11CE = linkonce_odr unnamed_addr constant
+// CHECK: @_ZTIN5test11DE = linkonce_odr unnamed_addr constant
+// CHECK: @_ZTIPN5test11DE = linkonce_odr unnamed_addr constant {{.*}} @_ZTIN5test11DE
 
 // PR6974: this shouldn't crash
 namespace test0 {